Materials and Construction

______________ is never shipped in glass carboys? A. Ammonia B. Acetic acid C. Phenol D. Formaldehyde

Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si)___________________? A. Do not require heat treatment for any of its applicationsB. Are used for leaf and coiled springs C. Do not have good resilience properties D. Is…

The fermenter used for the production of ethyl alcohol from molasses is made of________________? A. Wood B. ConcreteC. Copper bearing steel D. Porcelain

Lead_________________? A. Is the hardest metal in common use B. Is the lightest metal in common use C. Cannot be scratched by finger nailsD. Cannot be work hardened

Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ? A. Silicone rubber, teflon, porcelain and wood B. Nickel, monel, stainless steel and graphite C. Aluminium, copper,…

The softest material just next to talc in the Mhos scale is_________________? A. QuartzB. Gypsum C. Feldspar D. Fluorite

In drop forging process, the forging is done by dropg the _____________ at high velocity? A. Hammer B. WorkpieceC. Die with hammer D. Weight on hammer

Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of___________________? A. ConcreteB. Steel C. Zircaloy D. Graphite

The preferred material of construction for storage tanks for 98% sulphuric acid is_________________? A. AluminiumB. Lead C. Stainless steel 316 D. Mild steel

Which of the following has the least carbon percentage ? A. Low carbon steel B. Mild steelC. Wrought iron D. White cast iron